804737020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2117729}}^1$

素因数の和:2117757

約数の個数: 24

約数和(自身を含む): 1778893200

約数和(自身を除く): 974156180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2117729, 4235458, 8470916, 10588645, 21177290, 40236851, 42354580, 80473702, 160947404, 201184255, 402368510, 804737020]

約数ペア:

[(1, 804737020), (2, 402368510), (4, 201184255), (5, 160947404), (10, 80473702), (19, 42354580), (20, 40236851), (38, 21177290), (76, 10588645), (95, 8470916), (190, 4235458), (380, 2117729)]